patch-2.3.43 linux/arch/ia64/dig/setup.c

• Lines: 94
• Date: Sun Feb 6 18:42:40 2000
• Orig file: v2.3.42/linux/arch/ia64/dig/setup.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.42/linux/arch/ia64/dig/setup.c linux/arch/ia64/dig/setup.c
@@ -0,0 +1,93 @@
+/*
+ * Platform dependent support for Intel SoftSDV simulator.
+ *
+ * Copyright (C) 1999 Intel Corp.
+ * Copyright (C) 1999 Hewlett-Packard Co
+ * Copyright (C) 1999 David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999 VA Linux Systems
+ * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
+ * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
+ */
+#include <linux/config.h>
+
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/kdev_t.h>
+#include <linux/string.h>
+#include <linux/tty.h>
+#include <linux/console.h>
+#include <linux/timex.h>
+#include <linux/sched.h>
+#include <linux/mc146818rtc.h>
+
+#include <asm/io.h>
+#include <asm/machvec.h>
+#include <asm/system.h>
+
+#ifdef CONFIG_IA64_FW_EMU
+# include "../../kernel/fw-emu.c"
+#endif
+
+/*
+ * This is here so we can use the CMOS detection in ide-probe.c to
+ * determine what drives are present.  In theory, we don't need this
+ * as the auto-detection could be done via ide-probe.c:do_probe() but
+ * in practice that would be much slower, which is painful when
+ * running in the simulator.  Note that passing zeroes in DRIVE_INFO
+ * is sufficient (the IDE driver will autodetect the drive geometry).
+ */
+char drive_info[4*16];
+
+unsigned char aux_device_present = 0xaa;	/* XXX remove this when legacy I/O is gone */
+
+void __init
+dig_setup (char **cmdline_p)
+{
+	unsigned int orig_x, orig_y, num_cols, num_rows, font_height;
+
+	/*
+	 * This assumes that the EFI partition is physical disk 1
+	 * partition 1 and the Linux root disk is physical disk 1
+	 * partition 2.
+	 */
+#ifdef CONFIG_IA64_LION_HACKS
+	/* default to /dev/sda2 on Lion... */
+	ROOT_DEV = to_kdev_t(0x0802);		/* default to second partition on first drive */
+#else
+	/* default to /dev/dha2 on BigSur... */
+	ROOT_DEV = to_kdev_t(0x0302);		/* default to second partition on first drive */
+#endif
+
+#ifdef CONFIG_SMP
+	init_smp_config();
+#endif
+
+	memset(&screen_info, 0, sizeof(screen_info));
+
+	if (!ia64_boot_param.console_info.num_rows
+	    || !ia64_boot_param.console_info.num_cols)
+	{
+		printk("dig_setup: warning: invalid screen-info, guessing 80x25\n");
+		orig_x = 0;
+		orig_y = 0;
+		num_cols = 80;
+		num_rows = 25;
+		font_height = 16;
+	} else {
+		orig_x = ia64_boot_param.console_info.orig_x;
+		orig_y = ia64_boot_param.console_info.orig_y;
+		num_cols = ia64_boot_param.console_info.num_cols;
+		num_rows = ia64_boot_param.console_info.num_rows;
+		font_height = 400 / num_rows;
+	}
+
+	screen_info.orig_x = orig_x;
+	screen_info.orig_y = orig_y;
+	screen_info.orig_video_cols  = num_cols;
+	screen_info.orig_video_lines = num_rows;
+	screen_info.orig_video_points = font_height;
+	screen_info.orig_video_mode = 3;	/* XXX fake */
+	screen_info.orig_video_isVGA = 1;	/* XXX fake */
+	screen_info.orig_video_ega_bx = 3;	/* XXX fake */
+}